/Engine/Plugins/Editor/ObjectMixer/ObjectMixer/Source/ObjectMixer/Public/Views/List/ObjectMixerEditorList.h
[TSet](API\Runtime\Core\Containers\TSet)< [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [ISceneOutlinerTreeItem](API\Editor\SceneOutliner\ISceneOutlinerTreeItem) > > GetSoloRows() const